| 摘要 |
PURPOSE: A wireless terminal apparatus and a communication method are provided to optimize communications during an emergency. CONSTITUTION: A communication module(11) is operable to transmit and receive a plurality of communication signals via a communication module transceiver. The communication module is also operable to carry out a radio communication with a network side device via a mobile communication network. The communication module transceiver communicates with a first or second base station transceiver via a wireless data communication link. The communication module transceiver cooperates with the base station transceiver with a suitably configured RF antenna arrangement that can support a particular wireless communication protocol and modulation scheme such as, without limitation, the Wi-Fi and CDMA family of industry standards. Each type has a different usage frequency band, and a different communication protocol, but is collectively managed in a concentrated manner in terms of position registration on the network side. That is, position registration of the wireless device to the network side is registered in one of the communication systems, and the call-out in time of incoming call, and the like is performed using the registered communication system. Communication with the network side is efficiently performed through reception of the incoming call from the network side or reception of the annunciation information by monitoring the paging channel in the communication system selected by the communication module.
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